xref: /freebsd/sys/dev/oce/oce_mbox.c (revision 480093f4440d54b30b3025afeac24b48f2ba7a2e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (C) 2013 Emulex
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Emulex Corporation nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  * Contact Information:
34  * freebsd-drivers@emulex.com
35  *
36  * Emulex
37  * 3333 Susan Street
38  * Costa Mesa, CA 92626
39  */
40 
41 /* $FreeBSD$ */
42 
43 #include "oce_if.h"
44 
45 int
46 oce_wait_ready(POCE_SOFTC sc)
47 {
48 #define SLIPORT_READY_TIMEOUT 30000
49 	uint32_t sliport_status, i;
50 
51 	if (!IS_XE201(sc))
52 		return (-1);
53 
54 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
55 		sliport_status = OCE_READ_REG32(sc, db, SLIPORT_STATUS_OFFSET);
56 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
57 			return 0;
58 
59 		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
60 			!(sliport_status & SLIPORT_STATUS_RN_MASK)) {
61 			device_printf(sc->dev, "Error detected in the card\n");
62 			return EIO;
63 		}
64 
65 		DELAY(1000);
66 	}
67 
68 	device_printf(sc->dev, "Firmware wait timed out\n");
69 
70 	return (-1);
71 }
72 
73 /**
74  * @brief Reset (firmware) common function
75  * @param sc		software handle to the device
76  * @returns		0 on success, ETIMEDOUT on failure
77  */
78 int
79 oce_reset_fun(POCE_SOFTC sc)
80 {
81 	struct oce_mbx *mbx;
82 	struct oce_bmbx *mb;
83 	struct ioctl_common_function_reset *fwcmd;
84 	int rc = 0;
85 
86 	if (IS_XE201(sc)) {
87 		OCE_WRITE_REG32(sc, db, SLIPORT_CONTROL_OFFSET,
88 					SLI_PORT_CONTROL_IP_MASK);
89 
90 		rc = oce_wait_ready(sc);
91 		if (rc) {
92 			device_printf(sc->dev, "Firmware reset Failed\n");
93 		}
94 
95 		return rc;
96 	}
97 
98 	mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
99 	mbx = &mb->mbx;
100 	bzero(mbx, sizeof(struct oce_mbx));
101 
102 	fwcmd = (struct ioctl_common_function_reset *)&mbx->payload;
103 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
104 			MBX_SUBSYSTEM_COMMON,
105 			OPCODE_COMMON_FUNCTION_RESET,
106 			10,	/* MBX_TIMEOUT_SEC */
107 			sizeof(struct
108 				ioctl_common_function_reset),
109 			OCE_MBX_VER_V0);
110 
111 	mbx->u0.s.embedded = 1;
112 	mbx->payload_length =
113 		sizeof(struct ioctl_common_function_reset);
114 
115 	rc = oce_mbox_dispatch(sc, 2);
116 
117 	return rc;
118 }
119 
120 
121 /**
122  * @brief  		This funtions tells firmware we are
123  *			done with commands.
124  * @param sc            software handle to the device
125  * @returns             0 on success, ETIMEDOUT on failure
126  */
127 int
128 oce_fw_clean(POCE_SOFTC sc)
129 {
130 	struct oce_bmbx *mbx;
131 	uint8_t *ptr;
132 	int ret = 0;
133 
134 	mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
135 	ptr = (uint8_t *) &mbx->mbx;
136 
137 	/* Endian Signature */
138 	*ptr++ = 0xff;
139 	*ptr++ = 0xaa;
140 	*ptr++ = 0xbb;
141 	*ptr++ = 0xff;
142 	*ptr++ = 0xff;
143 	*ptr++ = 0xcc;
144 	*ptr++ = 0xdd;
145 	*ptr = 0xff;
146 
147 	ret = oce_mbox_dispatch(sc, 2);
148 
149 	return ret;
150 }
151 
152 
153 /**
154  * @brief Mailbox wait
155  * @param sc		software handle to the device
156  * @param tmo_sec	timeout in seconds
157  */
158 static int
159 oce_mbox_wait(POCE_SOFTC sc, uint32_t tmo_sec)
160 {
161 	tmo_sec *= 10000;
162 	pd_mpu_mbox_db_t mbox_db;
163 
164 	for (;;) {
165 		if (tmo_sec != 0) {
166 			if (--tmo_sec == 0)
167 				break;
168 		}
169 
170 		mbox_db.dw0 = OCE_READ_REG32(sc, db, PD_MPU_MBOX_DB);
171 
172 		if (mbox_db.bits.ready)
173 			return 0;
174 
175 		DELAY(100);
176 	}
177 
178 	device_printf(sc->dev, "Mailbox timed out\n");
179 
180 	return ETIMEDOUT;
181 }
182 
183 
184 /**
185  * @brief Mailbox dispatch
186  * @param sc		software handle to the device
187  * @param tmo_sec	timeout in seconds
188  */
189 int
190 oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec)
191 {
192 	pd_mpu_mbox_db_t mbox_db;
193 	uint32_t pa;
194 	int rc;
195 
196 	oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_PREWRITE);
197 	pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 34);
198 	bzero(&mbox_db, sizeof(pd_mpu_mbox_db_t));
199 	mbox_db.bits.ready = 0;
200 	mbox_db.bits.hi = 1;
201 	mbox_db.bits.address = pa;
202 
203 	rc = oce_mbox_wait(sc, tmo_sec);
204 	if (rc == 0) {
205 		OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
206 
207 		pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 4) & 0x3fffffff;
208 		mbox_db.bits.ready = 0;
209 		mbox_db.bits.hi = 0;
210 		mbox_db.bits.address = pa;
211 
212 		rc = oce_mbox_wait(sc, tmo_sec);
213 
214 		if (rc == 0) {
215 			OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
216 
217 			rc = oce_mbox_wait(sc, tmo_sec);
218 
219 			oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_POSTWRITE);
220 		}
221 	}
222 
223 	return rc;
224 }
225 
226 
227 
228 /**
229  * @brief 		Mailbox common request header initialization
230  * @param hdr		mailbox header
231  * @param dom		domain
232  * @param port		port
233  * @param subsys	subsystem
234  * @param opcode	opcode
235  * @param timeout	timeout
236  * @param pyld_len	payload length
237  */
238 void
239 mbx_common_req_hdr_init(struct mbx_hdr *hdr,
240 			uint8_t dom, uint8_t port,
241 			uint8_t subsys, uint8_t opcode,
242 			uint32_t timeout, uint32_t pyld_len,
243 			uint8_t version)
244 {
245 	hdr->u0.req.opcode = opcode;
246 	hdr->u0.req.subsystem = subsys;
247 	hdr->u0.req.port_number = port;
248 	hdr->u0.req.domain = dom;
249 
250 	hdr->u0.req.timeout = timeout;
251 	hdr->u0.req.request_length = pyld_len - sizeof(struct mbx_hdr);
252 	hdr->u0.req.version = version;
253 }
254 
255 
256 
257 /**
258  * @brief Function to initialize the hw with host endian information
259  * @param sc		software handle to the device
260  * @returns		0 on success, ETIMEDOUT on failure
261  */
262 int
263 oce_mbox_init(POCE_SOFTC sc)
264 {
265 	struct oce_bmbx *mbx;
266 	uint8_t *ptr;
267 	int ret = 0;
268 
269 	if (sc->flags & OCE_FLAGS_MBOX_ENDIAN_RQD) {
270 		mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
271 		ptr = (uint8_t *) &mbx->mbx;
272 
273 		/* Endian Signature */
274 		*ptr++ = 0xff;
275 		*ptr++ = 0x12;
276 		*ptr++ = 0x34;
277 		*ptr++ = 0xff;
278 		*ptr++ = 0xff;
279 		*ptr++ = 0x56;
280 		*ptr++ = 0x78;
281 		*ptr = 0xff;
282 
283 		ret = oce_mbox_dispatch(sc, 0);
284 	}
285 
286 	return ret;
287 }
288 
289 
290 /**
291  * @brief 		Function to get the firmware version
292  * @param sc		software handle to the device
293  * @returns		0 on success, EIO on failure
294  */
295 int
296 oce_get_fw_version(POCE_SOFTC sc)
297 {
298 	struct oce_mbx mbx;
299 	struct mbx_get_common_fw_version *fwcmd;
300 	int ret = 0;
301 
302 	bzero(&mbx, sizeof(struct oce_mbx));
303 
304 	fwcmd = (struct mbx_get_common_fw_version *)&mbx.payload;
305 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
306 				MBX_SUBSYSTEM_COMMON,
307 				OPCODE_COMMON_GET_FW_VERSION,
308 				MBX_TIMEOUT_SEC,
309 				sizeof(struct mbx_get_common_fw_version),
310 				OCE_MBX_VER_V0);
311 
312 	mbx.u0.s.embedded = 1;
313 	mbx.payload_length = sizeof(struct mbx_get_common_fw_version);
314 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
315 
316 	ret = oce_mbox_post(sc, &mbx, NULL);
317 	if (!ret)
318                 ret = fwcmd->hdr.u0.rsp.status;
319 	if (ret) {
320 		device_printf(sc->dev,
321 			      "%s failed - cmd status: %d addi status: %d\n",
322 			      __FUNCTION__, ret,
323 			      fwcmd->hdr.u0.rsp.additional_status);
324 		goto error;
325 	}
326 
327 	bcopy(fwcmd->params.rsp.fw_ver_str, sc->fw_version, 32);
328 error:
329 	return ret;
330 }
331 
332 
333 /**
334  * @brief	Firmware will send gracious notifications during
335  *		attach only after sending first mcc commnad. We
336  *		use MCC queue only for getting async and mailbox
337  *		for sending cmds. So to get gracious notifications
338  *		atleast send one dummy command on mcc.
339  */
340 int
341 oce_first_mcc_cmd(POCE_SOFTC sc)
342 {
343 	struct oce_mbx *mbx;
344 	struct oce_mq *mq = sc->mq;
345 	struct mbx_get_common_fw_version *fwcmd;
346 	uint32_t reg_value;
347 
348 	mbx = RING_GET_PRODUCER_ITEM_VA(mq->ring, struct oce_mbx);
349 	bzero(mbx, sizeof(struct oce_mbx));
350 
351 	fwcmd = (struct mbx_get_common_fw_version *)&mbx->payload;
352 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
353 				MBX_SUBSYSTEM_COMMON,
354 				OPCODE_COMMON_GET_FW_VERSION,
355 				MBX_TIMEOUT_SEC,
356 				sizeof(struct mbx_get_common_fw_version),
357 				OCE_MBX_VER_V0);
358 	mbx->u0.s.embedded = 1;
359 	mbx->payload_length = sizeof(struct mbx_get_common_fw_version);
360 	bus_dmamap_sync(mq->ring->dma.tag, mq->ring->dma.map,
361 				BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
362 	RING_PUT(mq->ring, 1);
363 	reg_value = (1 << 16) | mq->mq_id;
364 	OCE_WRITE_REG32(sc, db, PD_MQ_DB, reg_value);
365 
366 	return 0;
367 }
368 
369 /**
370  * @brief		Function to post a MBX to the mbox
371  * @param sc		software handle to the device
372  * @param mbx 		pointer to the MBX to send
373  * @param mbxctx	pointer to the mbx context structure
374  * @returns		0 on success, error on failure
375  */
376 int
377 oce_mbox_post(POCE_SOFTC sc, struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx)
378 {
379 	struct oce_mbx *mb_mbx = NULL;
380 	struct oce_mq_cqe *mb_cqe = NULL;
381 	struct oce_bmbx *mb = NULL;
382 	int rc = 0;
383 	uint32_t tmo = 0;
384 	uint32_t cstatus = 0;
385 	uint32_t xstatus = 0;
386 
387 	LOCK(&sc->bmbx_lock);
388 
389 	mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
390 	mb_mbx = &mb->mbx;
391 
392 	/* get the tmo */
393 	tmo = mbx->tag[0];
394 	mbx->tag[0] = 0;
395 
396 	/* copy mbx into mbox */
397 	bcopy(mbx, mb_mbx, sizeof(struct oce_mbx));
398 
399 	/* now dispatch */
400 	rc = oce_mbox_dispatch(sc, tmo);
401 	if (rc == 0) {
402 		/*
403 		 * the command completed successfully. Now get the
404 		 * completion queue entry
405 		 */
406 		mb_cqe = &mb->cqe;
407 		DW_SWAP(u32ptr(&mb_cqe->u0.dw[0]), sizeof(struct oce_mq_cqe));
408 
409 		/* copy mbox mbx back */
410 		bcopy(mb_mbx, mbx, sizeof(struct oce_mbx));
411 
412 		/* pick up the mailbox status */
413 		cstatus = mb_cqe->u0.s.completion_status;
414 		xstatus = mb_cqe->u0.s.extended_status;
415 
416 		/*
417 		 * store the mbx context in the cqe tag section so that
418 		 * the upper layer handling the cqe can associate the mbx
419 		 * with the response
420 		 */
421 		if (cstatus == 0 && mbxctx) {
422 			/* save context */
423 			mbxctx->mbx = mb_mbx;
424 			bcopy(&mbxctx, mb_cqe->u0.s.mq_tag,
425 				sizeof(struct oce_mbx_ctx *));
426 		}
427 	}
428 
429 	UNLOCK(&sc->bmbx_lock);
430 
431 	return rc;
432 }
433 
434 /**
435  * @brief Function to read the mac address associated with an interface
436  * @param sc		software handle to the device
437  * @param if_id 	interface id to read the address from
438  * @param perm 		set to 1 if reading the factory mac address.
439  *			In this case if_id is ignored
440  * @param type 		type of the mac address, whether network or storage
441  * @param[out] mac 	[OUTPUT] pointer to a buffer containing the
442  *			mac address when the command succeeds.
443  * @returns		0 on success, EIO on failure
444  */
445 int
446 oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id,
447 		uint8_t perm, uint8_t type, struct mac_address_format *mac)
448 {
449 	struct oce_mbx mbx;
450 	struct mbx_query_common_iface_mac *fwcmd;
451 	int ret = 0;
452 
453 	bzero(&mbx, sizeof(struct oce_mbx));
454 
455 	fwcmd = (struct mbx_query_common_iface_mac *)&mbx.payload;
456 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
457 				MBX_SUBSYSTEM_COMMON,
458 				OPCODE_COMMON_QUERY_IFACE_MAC,
459 				MBX_TIMEOUT_SEC,
460 				sizeof(struct mbx_query_common_iface_mac),
461 				OCE_MBX_VER_V0);
462 
463 	fwcmd->params.req.permanent = perm;
464 	if (!perm)
465 		fwcmd->params.req.if_id = (uint16_t) if_id;
466 	else
467 		fwcmd->params.req.if_id = 0;
468 
469 	fwcmd->params.req.type = type;
470 
471 	mbx.u0.s.embedded = 1;
472 	mbx.payload_length = sizeof(struct mbx_query_common_iface_mac);
473 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
474 
475 	ret = oce_mbox_post(sc, &mbx, NULL);
476 	if (!ret)
477                 ret = fwcmd->hdr.u0.rsp.status;
478 	if (ret) {
479 		device_printf(sc->dev,
480 			      "%s failed - cmd status: %d addi status: %d\n",
481 			      __FUNCTION__, ret,
482 			      fwcmd->hdr.u0.rsp.additional_status);
483 		goto error;
484 	}
485 
486 	/* copy the mac addres in the output parameter */
487 	mac->size_of_struct = fwcmd->params.rsp.mac.size_of_struct;
488 	bcopy(&fwcmd->params.rsp.mac.mac_addr[0], &mac->mac_addr[0],
489 		mac->size_of_struct);
490 error:
491 	return ret;
492 }
493 
494 /**
495  * @brief Function to query the fw attributes from the hw
496  * @param sc		software handle to the device
497  * @returns		0 on success, EIO on failure
498  */
499 int
500 oce_get_fw_config(POCE_SOFTC sc)
501 {
502 	struct oce_mbx mbx;
503 	struct mbx_common_query_fw_config *fwcmd;
504 	int ret = 0;
505 
506 	bzero(&mbx, sizeof(struct oce_mbx));
507 
508 	fwcmd = (struct mbx_common_query_fw_config *)&mbx.payload;
509 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
510 				MBX_SUBSYSTEM_COMMON,
511 				OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
512 				MBX_TIMEOUT_SEC,
513 				sizeof(struct mbx_common_query_fw_config),
514 				OCE_MBX_VER_V0);
515 
516 	mbx.u0.s.embedded = 1;
517 	mbx.payload_length = sizeof(struct mbx_common_query_fw_config);
518 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
519 
520 	ret = oce_mbox_post(sc, &mbx, NULL);
521 	if (!ret)
522                 ret = fwcmd->hdr.u0.rsp.status;
523 	if (ret) {
524 		device_printf(sc->dev,
525 			      "%s failed - cmd status: %d addi status: %d\n",
526 			      __FUNCTION__, ret,
527 			      fwcmd->hdr.u0.rsp.additional_status);
528 		goto error;
529 	}
530 
531 	DW_SWAP(u32ptr(fwcmd), sizeof(struct mbx_common_query_fw_config));
532 
533 	sc->config_number = HOST_32(fwcmd->params.rsp.config_number);
534 	sc->asic_revision = HOST_32(fwcmd->params.rsp.asic_revision);
535 	sc->port_id	  = HOST_32(fwcmd->params.rsp.port_id);
536 	sc->function_mode = HOST_32(fwcmd->params.rsp.function_mode);
537 	if ((sc->function_mode & (ULP_NIC_MODE | ULP_RDMA_MODE)) ==
538 	    (ULP_NIC_MODE | ULP_RDMA_MODE)) {
539 	  sc->rdma_flags = OCE_RDMA_FLAG_SUPPORTED;
540 	}
541 	sc->function_caps = HOST_32(fwcmd->params.rsp.function_caps);
542 
543 	if (fwcmd->params.rsp.ulp[0].ulp_mode & ULP_NIC_MODE) {
544 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[0].nic_wq_tot);
545 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[0].lro_rqid_tot);
546 	} else {
547 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[1].nic_wq_tot);
548 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[1].lro_rqid_tot);
549 	}
550 
551 error:
552 	return ret;
553 
554 }
555 
556 /**
557  *
558  * @brief function to create a device interface
559  * @param sc		software handle to the device
560  * @param cap_flags	capability flags
561  * @param en_flags	enable capability flags
562  * @param vlan_tag	optional vlan tag to associate with the if
563  * @param mac_addr	pointer to a buffer containing the mac address
564  * @param[out] if_id	[OUTPUT] pointer to an integer to hold the ID of the
565  interface created
566  * @returns		0 on success, EIO on failure
567  */
568 int
569 oce_if_create(POCE_SOFTC sc,
570 		uint32_t cap_flags,
571 		uint32_t en_flags,
572 		uint16_t vlan_tag,
573 		uint8_t *mac_addr,
574 		uint32_t *if_id)
575 {
576 	struct oce_mbx mbx;
577 	struct mbx_create_common_iface *fwcmd;
578 	int rc = 0;
579 
580 	bzero(&mbx, sizeof(struct oce_mbx));
581 
582 	fwcmd = (struct mbx_create_common_iface *)&mbx.payload;
583 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
584 				MBX_SUBSYSTEM_COMMON,
585 				OPCODE_COMMON_CREATE_IFACE,
586 				MBX_TIMEOUT_SEC,
587 				sizeof(struct mbx_create_common_iface),
588 				OCE_MBX_VER_V0);
589 	DW_SWAP(u32ptr(&fwcmd->hdr), sizeof(struct mbx_hdr));
590 
591 	fwcmd->params.req.version = 0;
592 	fwcmd->params.req.cap_flags = LE_32(cap_flags);
593 	fwcmd->params.req.enable_flags = LE_32(en_flags);
594 	if (mac_addr != NULL) {
595 		bcopy(mac_addr, &fwcmd->params.req.mac_addr[0], 6);
596 		fwcmd->params.req.vlan_tag.u0.normal.vtag = LE_16(vlan_tag);
597 		fwcmd->params.req.mac_invalid = 0;
598 	} else {
599 		fwcmd->params.req.mac_invalid = 1;
600 	}
601 
602 	mbx.u0.s.embedded = 1;
603 	mbx.payload_length = sizeof(struct mbx_create_common_iface);
604 	DW_SWAP(u32ptr(&mbx), OCE_BMBX_RHDR_SZ);
605 
606 	rc = oce_mbox_post(sc, &mbx, NULL);
607 	if (!rc)
608                 rc = fwcmd->hdr.u0.rsp.status;
609 	if (rc) {
610 		device_printf(sc->dev,
611 			      "%s failed - cmd status: %d addi status: %d\n",
612 			      __FUNCTION__, rc,
613 			      fwcmd->hdr.u0.rsp.additional_status);
614 		goto error;
615 	}
616 
617 	*if_id = HOST_32(fwcmd->params.rsp.if_id);
618 
619 	if (mac_addr != NULL)
620 		sc->pmac_id = HOST_32(fwcmd->params.rsp.pmac_id);
621 error:
622 	return rc;
623 }
624 
625 /**
626  * @brief		Function to delete an interface
627  * @param sc 		software handle to the device
628  * @param if_id		ID of the interface to delete
629  * @returns		0 on success, EIO on failure
630  */
631 int
632 oce_if_del(POCE_SOFTC sc, uint32_t if_id)
633 {
634 	struct oce_mbx mbx;
635 	struct mbx_destroy_common_iface *fwcmd;
636 	int rc = 0;
637 
638 	bzero(&mbx, sizeof(struct oce_mbx));
639 
640 	fwcmd = (struct mbx_destroy_common_iface *)&mbx.payload;
641 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
642 				MBX_SUBSYSTEM_COMMON,
643 				OPCODE_COMMON_DESTROY_IFACE,
644 				MBX_TIMEOUT_SEC,
645 				sizeof(struct mbx_destroy_common_iface),
646 				OCE_MBX_VER_V0);
647 
648 	fwcmd->params.req.if_id = if_id;
649 
650 	mbx.u0.s.embedded = 1;
651 	mbx.payload_length = sizeof(struct mbx_destroy_common_iface);
652 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
653 
654 	rc = oce_mbox_post(sc, &mbx, NULL);
655 	if (!rc)
656                 rc = fwcmd->hdr.u0.rsp.status;
657 	if (rc)
658 		device_printf(sc->dev,
659 			      "%s failed - cmd status: %d addi status: %d\n",
660 			      __FUNCTION__, rc,
661 			      fwcmd->hdr.u0.rsp.additional_status);
662 	return rc;
663 }
664 
665 /**
666  * @brief Function to send the mbx command to configure vlan
667  * @param sc 		software handle to the device
668  * @param if_id 	interface identifier index
669  * @param vtag_arr	array of vlan tags
670  * @param vtag_cnt	number of elements in array
671  * @param untagged	boolean TRUE/FLASE
672  * @param enable_promisc flag to enable/disable VLAN promiscuous mode
673  * @returns		0 on success, EIO on failure
674  */
675 int
676 oce_config_vlan(POCE_SOFTC sc,
677 		uint32_t if_id,
678 		struct normal_vlan *vtag_arr,
679 		uint8_t vtag_cnt, uint32_t untagged, uint32_t enable_promisc)
680 {
681 	struct oce_mbx mbx;
682 	struct mbx_common_config_vlan *fwcmd;
683 	int rc = 0;
684 
685 	if (sc->vlans_added > sc->max_vlans)
686 		goto vlan_promisc;
687 
688 	bzero(&mbx, sizeof(struct oce_mbx));
689 	fwcmd = (struct mbx_common_config_vlan *)&mbx.payload;
690 
691 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
692 				MBX_SUBSYSTEM_COMMON,
693 				OPCODE_COMMON_CONFIG_IFACE_VLAN,
694 				MBX_TIMEOUT_SEC,
695 				sizeof(struct mbx_common_config_vlan),
696 				OCE_MBX_VER_V0);
697 
698 	fwcmd->params.req.if_id = (uint8_t) if_id;
699 	fwcmd->params.req.promisc = (uint8_t) enable_promisc;
700 	fwcmd->params.req.untagged = (uint8_t) untagged;
701 	fwcmd->params.req.num_vlans = vtag_cnt;
702 
703 	if (!enable_promisc) {
704 		bcopy(vtag_arr, fwcmd->params.req.tags.normal_vlans,
705 			vtag_cnt * sizeof(struct normal_vlan));
706 	}
707 	mbx.u0.s.embedded = 1;
708 	mbx.payload_length = sizeof(struct mbx_common_config_vlan);
709 	DW_SWAP(u32ptr(&mbx), (OCE_BMBX_RHDR_SZ + mbx.payload_length));
710 
711 	rc = oce_mbox_post(sc, &mbx, NULL);
712 	if (!rc)
713                 rc = fwcmd->hdr.u0.rsp.status;
714 	if (rc)
715 		device_printf(sc->dev,
716 			      "%s failed - cmd status: %d addi status: %d\n",
717 			      __FUNCTION__, rc,
718 			      fwcmd->hdr.u0.rsp.additional_status);
719 
720 	goto done;
721 
722 vlan_promisc:
723 	/* Enable Vlan Promis */
724 	oce_rxf_set_promiscuous(sc, (1 << 1));
725 	device_printf(sc->dev,"Enabling Vlan Promisc Mode\n");
726 done:
727 	return rc;
728 
729 }
730 
731 /**
732  * @brief Function to set flow control capability in the hardware
733  * @param sc 		software handle to the device
734  * @param flow_control	flow control flags to set
735  * @returns		0 on success, EIO on failure
736  */
737 int
738 oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control)
739 {
740 	struct oce_mbx mbx;
741 	struct mbx_common_get_set_flow_control *fwcmd =
742 		(struct mbx_common_get_set_flow_control *)&mbx.payload;
743 	int rc;
744 
745 	bzero(&mbx, sizeof(struct oce_mbx));
746 
747 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
748 				MBX_SUBSYSTEM_COMMON,
749 				OPCODE_COMMON_SET_FLOW_CONTROL,
750 				MBX_TIMEOUT_SEC,
751 				sizeof(struct mbx_common_get_set_flow_control),
752 				OCE_MBX_VER_V0);
753 
754 	if (flow_control & OCE_FC_TX)
755 		fwcmd->tx_flow_control = 1;
756 
757 	if (flow_control & OCE_FC_RX)
758 		fwcmd->rx_flow_control = 1;
759 
760 	mbx.u0.s.embedded = 1;
761 	mbx.payload_length = sizeof(struct mbx_common_get_set_flow_control);
762 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
763 
764 	rc = oce_mbox_post(sc, &mbx, NULL);
765 	if (!rc)
766                 rc = fwcmd->hdr.u0.rsp.status;
767 	if (rc)
768 		device_printf(sc->dev,
769 			      "%s failed - cmd status: %d addi status: %d\n",
770 			      __FUNCTION__, rc,
771 			      fwcmd->hdr.u0.rsp.additional_status);
772 	return rc;
773 }
774 
775 /**
776  * @brief Initialize the RSS CPU indirection table
777  *
778  * The table is used to choose the queue to place the incomming packets.
779  * Incomming packets are hashed.  The lowest bits in the hash result
780  * are used as the index into the CPU indirection table.
781  * Each entry in the table contains the RSS CPU-ID returned by the NIC
782  * create.  Based on the CPU ID, the receive completion is routed to
783  * the corresponding RSS CQs.  (Non-RSS packets are always completed
784  * on the default (0) CQ).
785  *
786  * @param sc 		software handle to the device
787  * @param *fwcmd	pointer to the rss mbox command
788  * @returns		none
789  */
790 static int
791 oce_rss_itbl_init(POCE_SOFTC sc, struct mbx_config_nic_rss *fwcmd)
792 {
793 	int i = 0, j = 0, rc = 0;
794 	uint8_t *tbl = fwcmd->params.req.cputable;
795 	struct oce_rq *rq = NULL;
796 
797 
798 	for (j = 0; j < INDIRECTION_TABLE_ENTRIES ; j += (sc->nrqs - 1)) {
799 		for_all_rss_queues(sc, rq, i) {
800 			if ((j + i) >= INDIRECTION_TABLE_ENTRIES)
801 				break;
802 			tbl[j + i] = rq->rss_cpuid;
803 		}
804 	}
805 	if (i == 0) {
806 		device_printf(sc->dev, "error: Invalid number of RSS RQ's\n");
807 		rc = ENXIO;
808 
809 	}
810 
811 	/* fill log2 value indicating the size of the CPU table */
812 	if (rc == 0)
813 		fwcmd->params.req.cpu_tbl_sz_log2 = LE_16(OCE_LOG2(INDIRECTION_TABLE_ENTRIES));
814 
815 	return rc;
816 }
817 
818 /**
819  * @brief Function to set flow control capability in the hardware
820  * @param sc 		software handle to the device
821  * @param if_id 	interface id to read the address from
822  * @param enable_rss	0=disable, RSS_ENABLE_xxx flags otherwise
823  * @returns		0 on success, EIO on failure
824  */
825 int
826 oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss)
827 {
828 	int rc;
829 	struct oce_mbx mbx;
830 	struct mbx_config_nic_rss *fwcmd =
831 				(struct mbx_config_nic_rss *)&mbx.payload;
832 	int version;
833 
834 	bzero(&mbx, sizeof(struct oce_mbx));
835 
836 	if (IS_XE201(sc) || IS_SH(sc)) {
837 		version = OCE_MBX_VER_V1;
838 		fwcmd->params.req.enable_rss = RSS_ENABLE_UDP_IPV4 |
839 					       RSS_ENABLE_UDP_IPV6;
840 	} else
841 		version = OCE_MBX_VER_V0;
842 
843 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
844 				MBX_SUBSYSTEM_NIC,
845 				NIC_CONFIG_RSS,
846 				MBX_TIMEOUT_SEC,
847 				sizeof(struct mbx_config_nic_rss),
848 				version);
849 	if (enable_rss)
850 		fwcmd->params.req.enable_rss |= (RSS_ENABLE_IPV4 |
851 					         RSS_ENABLE_TCP_IPV4 |
852 						 RSS_ENABLE_IPV6 |
853 						 RSS_ENABLE_TCP_IPV6);
854 
855 	if(!sc->enable_hwlro)
856 		fwcmd->params.req.flush = OCE_FLUSH;
857 	else
858 		fwcmd->params.req.flush = 0;
859 
860 	fwcmd->params.req.if_id = LE_32(if_id);
861 
862 	read_random(fwcmd->params.req.hash, sizeof(fwcmd->params.req.hash));
863 
864 	rc = oce_rss_itbl_init(sc, fwcmd);
865 	if (rc == 0) {
866 		mbx.u0.s.embedded = 1;
867 		mbx.payload_length = sizeof(struct mbx_config_nic_rss);
868 		DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
869 
870 		rc = oce_mbox_post(sc, &mbx, NULL);
871 		if (!rc)
872                 	rc = fwcmd->hdr.u0.rsp.status;
873 		if (rc)
874 		device_printf(sc->dev,
875 			      "%s failed - cmd status: %d addi status: %d\n",
876 			      __FUNCTION__, rc,
877 			      fwcmd->hdr.u0.rsp.additional_status);
878 	}
879 	return rc;
880 }
881 
882 /**
883  * @brief 		RXF function to enable/disable device promiscuous mode
884  * @param sc		software handle to the device
885  * @param enable	enable/disable flag
886  * @returns		0 on success, EIO on failure
887  * @note
888  *	The NIC_CONFIG_PROMISCUOUS command deprecated for Lancer.
889  *	This function uses the COMMON_SET_IFACE_RX_FILTER command instead.
890  */
891 int
892 oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable)
893 {
894 	struct mbx_set_common_iface_rx_filter *fwcmd;
895 	int sz = sizeof(struct mbx_set_common_iface_rx_filter);
896 	iface_rx_filter_ctx_t *req;
897 	OCE_DMA_MEM sgl;
898 	int rc;
899 
900 	/* allocate mbx payload's dma scatter/gather memory */
901 	rc = oce_dma_alloc(sc, sz, &sgl, 0);
902 	if (rc)
903 		return rc;
904 
905 	fwcmd = OCE_DMAPTR(&sgl, struct mbx_set_common_iface_rx_filter);
906 
907 	req =  &fwcmd->params.req;
908 	req->iface_flags_mask = MBX_RX_IFACE_FLAGS_PROMISCUOUS |
909 				MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
910 	/* Bit 0 Mac promisc, Bit 1 Vlan promisc */
911 	if (enable & 0x01)
912 		req->iface_flags = MBX_RX_IFACE_FLAGS_PROMISCUOUS;
913 
914 	if (enable & 0x02)
915 		req->iface_flags |= MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
916 
917 	req->if_id = sc->if_id;
918 
919 	rc = oce_set_common_iface_rx_filter(sc, &sgl);
920 	oce_dma_free(sc, &sgl);
921 
922 	return rc;
923 }
924 
925 
926 /**
927  * @brief 			Function modify and select rx filter options
928  * @param sc			software handle to the device
929  * @param sgl			scatter/gather request/response
930  * @returns			0 on success, error code on failure
931  */
932 int
933 oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl)
934 {
935 	struct oce_mbx mbx;
936 	int mbx_sz = sizeof(struct mbx_set_common_iface_rx_filter);
937 	struct mbx_set_common_iface_rx_filter *fwcmd;
938 	int rc;
939 
940 	bzero(&mbx, sizeof(struct oce_mbx));
941 	fwcmd = OCE_DMAPTR(sgl, struct mbx_set_common_iface_rx_filter);
942 
943 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
944 				MBX_SUBSYSTEM_COMMON,
945 				OPCODE_COMMON_SET_IFACE_RX_FILTER,
946 				MBX_TIMEOUT_SEC,
947 				mbx_sz,
948 				OCE_MBX_VER_V0);
949 
950 	oce_dma_sync(sgl, BUS_DMASYNC_PREWRITE);
951 	mbx.u0.s.embedded = 0;
952 	mbx.u0.s.sge_count = 1;
953 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(sgl->paddr);
954 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(sgl->paddr);
955 	mbx.payload.u0.u1.sgl[0].length = mbx_sz;
956 	mbx.payload_length = mbx_sz;
957 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
958 
959 	rc = oce_mbox_post(sc, &mbx, NULL);
960 	if (!rc)
961                 rc = fwcmd->hdr.u0.rsp.status;
962 	if (rc)
963 		device_printf(sc->dev,
964 			      "%s failed - cmd status: %d addi status: %d\n",
965 			      __FUNCTION__, rc,
966 			      fwcmd->hdr.u0.rsp.additional_status);
967 	return rc;
968 }
969 
970 /**
971  * @brief Function to query the link status from the hardware
972  * @param sc 		software handle to the device
973  * @param[out] link	pointer to the structure returning link attributes
974  * @returns		0 on success, EIO on failure
975  */
976 int
977 oce_get_link_status(POCE_SOFTC sc, struct link_status *link)
978 {
979 	struct oce_mbx mbx;
980 	struct mbx_query_common_link_config *fwcmd;
981 	int rc = 0, version;
982 
983 	bzero(&mbx, sizeof(struct oce_mbx));
984 
985 	IS_BE2(sc) ? (version = OCE_MBX_VER_V0) : (version = OCE_MBX_VER_V1);
986 
987 	fwcmd = (struct mbx_query_common_link_config *)&mbx.payload;
988 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
989 				MBX_SUBSYSTEM_COMMON,
990 				OPCODE_COMMON_QUERY_LINK_CONFIG,
991 				MBX_TIMEOUT_SEC,
992 				sizeof(struct mbx_query_common_link_config),
993 				version);
994 
995 	mbx.u0.s.embedded = 1;
996 	mbx.payload_length = sizeof(struct mbx_query_common_link_config);
997 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
998 
999 	rc = oce_mbox_post(sc, &mbx, NULL);
1000 
1001 	if (!rc)
1002                 rc = fwcmd->hdr.u0.rsp.status;
1003 	if (rc) {
1004 		device_printf(sc->dev,
1005 			      "%s failed - cmd status: %d addi status: %d\n",
1006 			      __FUNCTION__, rc,
1007 			      fwcmd->hdr.u0.rsp.additional_status);
1008 		goto error;
1009 	}
1010 	/* interpret response */
1011 	link->qos_link_speed = HOST_16(fwcmd->params.rsp.qos_link_speed);
1012 	link->phys_port_speed = fwcmd->params.rsp.physical_port_speed;
1013 	link->logical_link_status = fwcmd->params.rsp.logical_link_status;
1014 error:
1015 	return rc;
1016 }
1017 
1018 
1019 /**
1020  * @brief Function to get NIC statistics
1021  * @param sc            software handle to the device
1022  * @param *stats        pointer to where to store statistics
1023  * @param reset_stats   resets statistics of set
1024  * @returns             0 on success, EIO on failure
1025  * @note                command depricated in Lancer
1026  */
1027 #define OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, version) 				\
1028 int 											\
1029 oce_mbox_get_nic_stats_v##version(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem) 		\
1030 { 											\
1031         struct oce_mbx mbx; 								\
1032         struct mbx_get_nic_stats_v##version *fwcmd; 					\
1033         int rc = 0; 									\
1034 											\
1035         bzero(&mbx, sizeof(struct oce_mbx)); 						\
1036         fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats_v##version); 	\
1037         bzero(fwcmd, sizeof(*fwcmd)); 							\
1038 											\
1039         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 					\
1040                                 MBX_SUBSYSTEM_NIC, 					\
1041                                 NIC_GET_STATS, 						\
1042                                 MBX_TIMEOUT_SEC, 					\
1043                                 sizeof(*fwcmd), 					\
1044                                 OCE_MBX_VER_V##version); 				\
1045 											\
1046         mbx.u0.s.embedded = 0;  /* stats too large for embedded mbx rsp */ 		\
1047         mbx.u0.s.sge_count = 1; /* using scatter gather instead */ 			\
1048 											\
1049         oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE); 				\
1050         mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);		\
1051         mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr); 		\
1052         mbx.payload.u0.u1.sgl[0].length = sizeof(*fwcmd); 				\
1053         mbx.payload_length = sizeof(*fwcmd); 						\
1054         DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 			\
1055 											\
1056         rc = oce_mbox_post(sc, &mbx, NULL); 						\
1057         oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE); 				\
1058         if (!rc) 									\
1059                 rc = fwcmd->hdr.u0.rsp.status; 						\
1060         if (rc) 									\
1061                 device_printf(sc->dev, 							\
1062                               "%s failed - cmd status: %d addi status: %d\n", 		\
1063                               __FUNCTION__, rc, 					\
1064                               fwcmd->hdr.u0.rsp.additional_status); 			\
1065         return rc; 									\
1066 }
1067 
1068 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 0);
1069 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 1);
1070 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 2);
1071 
1072 
1073 /**
1074  * @brief Function to get pport (physical port) statistics
1075  * @param sc 		software handle to the device
1076  * @param *stats	pointer to where to store statistics
1077  * @param reset_stats	resets statistics of set
1078  * @returns		0 on success, EIO on failure
1079  */
1080 int
1081 oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1082 				uint32_t reset_stats)
1083 {
1084 	struct oce_mbx mbx;
1085 	struct mbx_get_pport_stats *fwcmd;
1086 	int rc = 0;
1087 
1088 	bzero(&mbx, sizeof(struct oce_mbx));
1089 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_pport_stats);
1090 	bzero(fwcmd, sizeof(struct mbx_get_pport_stats));
1091 
1092 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1093 				MBX_SUBSYSTEM_NIC,
1094 				NIC_GET_PPORT_STATS,
1095 				MBX_TIMEOUT_SEC,
1096 				sizeof(struct mbx_get_pport_stats),
1097 				OCE_MBX_VER_V0);
1098 
1099 	fwcmd->params.req.reset_stats = reset_stats;
1100 	fwcmd->params.req.port_number = sc->port_id;
1101 
1102 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1103 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1104 
1105 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1106 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1107 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1108 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_pport_stats);
1109 
1110 	mbx.payload_length = sizeof(struct mbx_get_pport_stats);
1111 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1112 
1113 	rc = oce_mbox_post(sc, &mbx, NULL);
1114 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1115 
1116 	if (!rc)
1117                 rc = fwcmd->hdr.u0.rsp.status;
1118 	if (rc)
1119 		device_printf(sc->dev,
1120 			      "%s failed - cmd status: %d addi status: %d\n",
1121 			      __FUNCTION__, rc,
1122 			      fwcmd->hdr.u0.rsp.additional_status);
1123 	return rc;
1124 }
1125 
1126 
1127 /**
1128  * @brief Function to get vport (virtual port) statistics
1129  * @param sc 		software handle to the device
1130  * @param *stats	pointer to where to store statistics
1131  * @param reset_stats	resets statistics of set
1132  * @returns		0 on success, EIO on failure
1133  */
1134 int
1135 oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1136 				uint32_t req_size, uint32_t reset_stats)
1137 {
1138 	struct oce_mbx mbx;
1139 	struct mbx_get_vport_stats *fwcmd;
1140 	int rc = 0;
1141 
1142 	bzero(&mbx, sizeof(struct oce_mbx));
1143 
1144 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_vport_stats);
1145 	bzero(fwcmd, sizeof(struct mbx_get_vport_stats));
1146 
1147 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1148 				MBX_SUBSYSTEM_NIC,
1149 				NIC_GET_VPORT_STATS,
1150 				MBX_TIMEOUT_SEC,
1151 				sizeof(struct mbx_get_vport_stats),
1152 				OCE_MBX_VER_V0);
1153 
1154 	fwcmd->params.req.reset_stats = reset_stats;
1155 	fwcmd->params.req.vport_number = sc->if_id;
1156 
1157 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1158 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1159 
1160 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1161 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1162 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1163 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_vport_stats);
1164 
1165 	mbx.payload_length = sizeof(struct mbx_get_vport_stats);
1166 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1167 
1168 	rc = oce_mbox_post(sc, &mbx, NULL);
1169 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1170 
1171 	if (!rc)
1172                 rc = fwcmd->hdr.u0.rsp.status;
1173 	if (rc)
1174 		device_printf(sc->dev,
1175 			      "%s failed - cmd status: %d addi status: %d\n",
1176 			      __FUNCTION__, rc,
1177 			      fwcmd->hdr.u0.rsp.additional_status);
1178 	return rc;
1179 }
1180 
1181 
1182 /**
1183  * @brief               Function to update the muticast filter with
1184  *                      values in dma_mem
1185  * @param sc            software handle to the device
1186  * @param dma_mem       pointer to dma memory region
1187  * @returns             0 on success, EIO on failure
1188  */
1189 int
1190 oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem)
1191 {
1192 	struct oce_mbx mbx;
1193 	struct oce_mq_sge *sgl;
1194 	struct mbx_set_common_iface_multicast *req = NULL;
1195 	int rc = 0;
1196 
1197 	req = OCE_DMAPTR(pdma_mem, struct mbx_set_common_iface_multicast);
1198 	mbx_common_req_hdr_init(&req->hdr, 0, 0,
1199 				MBX_SUBSYSTEM_COMMON,
1200 				OPCODE_COMMON_SET_IFACE_MULTICAST,
1201 				MBX_TIMEOUT_SEC,
1202 				sizeof(struct mbx_set_common_iface_multicast),
1203 				OCE_MBX_VER_V0);
1204 
1205 	bzero(&mbx, sizeof(struct oce_mbx));
1206 
1207 	mbx.u0.s.embedded = 0; /*Non embeded*/
1208 	mbx.payload_length = sizeof(struct mbx_set_common_iface_multicast);
1209 	mbx.u0.s.sge_count = 1;
1210 	sgl = &mbx.payload.u0.u1.sgl[0];
1211 	sgl->pa_hi = htole32(upper_32_bits(pdma_mem->paddr));
1212 	sgl->pa_lo = htole32((pdma_mem->paddr) & 0xFFFFFFFF);
1213 	sgl->length = htole32(mbx.payload_length);
1214 
1215 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1216 
1217 	rc = oce_mbox_post(sc, &mbx, NULL);
1218 	if (!rc)
1219                 rc = req->hdr.u0.rsp.status;
1220 	if (rc)
1221 		device_printf(sc->dev,
1222 			      "%s failed - cmd status: %d addi status: %d\n",
1223 			      __FUNCTION__, rc,
1224 			      req->hdr.u0.rsp.additional_status);
1225 	return rc;
1226 }
1227 
1228 
1229 /**
1230  * @brief               Function to send passthrough Ioctls
1231  * @param sc            software handle to the device
1232  * @param dma_mem       pointer to dma memory region
1233  * @param req_size      size of dma_mem
1234  * @returns             0 on success, EIO on failure
1235  */
1236 int
1237 oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size)
1238 {
1239 	struct oce_mbx mbx;
1240 	struct oce_mq_sge *sgl;
1241 	int rc = 0;
1242 
1243 	bzero(&mbx, sizeof(struct oce_mbx));
1244 
1245 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1246 	mbx.payload_length = req_size;
1247 	mbx.u0.s.sge_count = 1;
1248 	sgl = &mbx.payload.u0.u1.sgl[0];
1249 	sgl->pa_hi = htole32(upper_32_bits(dma_mem->paddr));
1250 	sgl->pa_lo = htole32((dma_mem->paddr) & 0xFFFFFFFF);
1251 	sgl->length = htole32(req_size);
1252 
1253 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1254 
1255 	rc = oce_mbox_post(sc, &mbx, NULL);
1256 	return rc;
1257 }
1258 
1259 
1260 int
1261 oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1262 		 uint32_t if_id, uint32_t *pmac_id)
1263 {
1264 	struct oce_mbx mbx;
1265 	struct mbx_add_common_iface_mac *fwcmd;
1266 	int rc = 0;
1267 
1268 	bzero(&mbx, sizeof(struct oce_mbx));
1269 
1270 	fwcmd = (struct mbx_add_common_iface_mac *)&mbx.payload;
1271 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1272 				MBX_SUBSYSTEM_COMMON,
1273 				OPCODE_COMMON_ADD_IFACE_MAC,
1274 				MBX_TIMEOUT_SEC,
1275 				sizeof(struct mbx_add_common_iface_mac),
1276 				OCE_MBX_VER_V0);
1277 
1278 	fwcmd->params.req.if_id = (uint16_t) if_id;
1279 	bcopy(mac_addr, fwcmd->params.req.mac_address, 6);
1280 
1281 	mbx.u0.s.embedded = 1;
1282 	mbx.payload_length = sizeof(struct  mbx_add_common_iface_mac);
1283 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1284 	rc = oce_mbox_post(sc, &mbx, NULL);
1285 	if (!rc)
1286                 rc = fwcmd->hdr.u0.rsp.status;
1287 	if (rc) {
1288 		device_printf(sc->dev,
1289 			      "%s failed - cmd status: %d addi status: %d\n",
1290 			      __FUNCTION__, rc,
1291 			      fwcmd->hdr.u0.rsp.additional_status);
1292 		goto error;
1293 	}
1294 	*pmac_id = fwcmd->params.rsp.pmac_id;
1295 error:
1296 	return rc;
1297 }
1298 
1299 
1300 int
1301 oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id)
1302 {
1303 	struct oce_mbx mbx;
1304 	struct mbx_del_common_iface_mac *fwcmd;
1305 	int rc = 0;
1306 
1307 	bzero(&mbx, sizeof(struct oce_mbx));
1308 
1309 	fwcmd = (struct mbx_del_common_iface_mac *)&mbx.payload;
1310 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1311 				MBX_SUBSYSTEM_COMMON,
1312 				OPCODE_COMMON_DEL_IFACE_MAC,
1313 				MBX_TIMEOUT_SEC,
1314 				sizeof(struct mbx_del_common_iface_mac),
1315 				OCE_MBX_VER_V0);
1316 
1317 	fwcmd->params.req.if_id = (uint16_t)if_id;
1318 	fwcmd->params.req.pmac_id = pmac_id;
1319 
1320 	mbx.u0.s.embedded = 1;
1321 	mbx.payload_length = sizeof(struct  mbx_del_common_iface_mac);
1322 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1323 
1324 	rc = oce_mbox_post(sc, &mbx, NULL);
1325 	if (!rc)
1326                 rc = fwcmd->hdr.u0.rsp.status;
1327 	if (rc)
1328 		device_printf(sc->dev,
1329 			      "%s failed - cmd status: %d addi status: %d\n",
1330 			      __FUNCTION__, rc,
1331 			      fwcmd->hdr.u0.rsp.additional_status);
1332 	return rc;
1333 }
1334 
1335 
1336 
1337 int
1338 oce_mbox_check_native_mode(POCE_SOFTC sc)
1339 {
1340 	struct oce_mbx mbx;
1341 	struct mbx_common_set_function_cap *fwcmd;
1342 	int rc = 0;
1343 
1344 	bzero(&mbx, sizeof(struct oce_mbx));
1345 
1346 	fwcmd = (struct mbx_common_set_function_cap *)&mbx.payload;
1347 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1348 				MBX_SUBSYSTEM_COMMON,
1349 				OPCODE_COMMON_SET_FUNCTIONAL_CAPS,
1350 				MBX_TIMEOUT_SEC,
1351 				sizeof(struct mbx_common_set_function_cap),
1352 				OCE_MBX_VER_V0);
1353 
1354 	fwcmd->params.req.valid_capability_flags = CAP_SW_TIMESTAMPS |
1355 							CAP_BE3_NATIVE_ERX_API;
1356 
1357 	fwcmd->params.req.capability_flags = CAP_BE3_NATIVE_ERX_API;
1358 
1359 	mbx.u0.s.embedded = 1;
1360 	mbx.payload_length = sizeof(struct mbx_common_set_function_cap);
1361 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1362 
1363 	rc = oce_mbox_post(sc, &mbx, NULL);
1364 	if (!rc)
1365                 rc = fwcmd->hdr.u0.rsp.status;
1366 	if (rc) {
1367 		device_printf(sc->dev,
1368 			      "%s failed - cmd status: %d addi status: %d\n",
1369 			      __FUNCTION__, rc,
1370 			      fwcmd->hdr.u0.rsp.additional_status);
1371 		goto error;
1372 	}
1373 	sc->be3_native = HOST_32(fwcmd->params.rsp.capability_flags)
1374 			& CAP_BE3_NATIVE_ERX_API;
1375 
1376 error:
1377 	return 0;
1378 }
1379 
1380 
1381 
1382 int
1383 oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1384 		uint8_t loopback_type, uint8_t enable)
1385 {
1386 	struct oce_mbx mbx;
1387 	struct mbx_lowlevel_set_loopback_mode *fwcmd;
1388 	int rc = 0;
1389 
1390 
1391 	bzero(&mbx, sizeof(struct oce_mbx));
1392 
1393 	fwcmd = (struct mbx_lowlevel_set_loopback_mode *)&mbx.payload;
1394 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1395 				MBX_SUBSYSTEM_LOWLEVEL,
1396 				OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
1397 				MBX_TIMEOUT_SEC,
1398 				sizeof(struct mbx_lowlevel_set_loopback_mode),
1399 				OCE_MBX_VER_V0);
1400 
1401 	fwcmd->params.req.src_port = port_num;
1402 	fwcmd->params.req.dest_port = port_num;
1403 	fwcmd->params.req.loopback_type = loopback_type;
1404 	fwcmd->params.req.loopback_state = enable;
1405 
1406 	mbx.u0.s.embedded = 1;
1407 	mbx.payload_length = sizeof(struct  mbx_lowlevel_set_loopback_mode);
1408 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1409 
1410 	rc = oce_mbox_post(sc, &mbx, NULL);
1411 	if (!rc)
1412                 rc = fwcmd->hdr.u0.rsp.status;
1413 	if (rc)
1414 		device_printf(sc->dev,
1415 			      "%s failed - cmd status: %d addi status: %d\n",
1416 			      __FUNCTION__, rc,
1417 			      fwcmd->hdr.u0.rsp.additional_status);
1418 
1419 	return rc;
1420 
1421 }
1422 
1423 int
1424 oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1425 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1426 	uint64_t pattern)
1427 {
1428 
1429 	struct oce_mbx mbx;
1430 	struct mbx_lowlevel_test_loopback_mode *fwcmd;
1431 	int rc = 0;
1432 
1433 
1434 	bzero(&mbx, sizeof(struct oce_mbx));
1435 
1436 	fwcmd = (struct mbx_lowlevel_test_loopback_mode *)&mbx.payload;
1437 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1438 				MBX_SUBSYSTEM_LOWLEVEL,
1439 				OPCODE_LOWLEVEL_TEST_LOOPBACK,
1440 				MBX_TIMEOUT_SEC,
1441 				sizeof(struct mbx_lowlevel_test_loopback_mode),
1442 				OCE_MBX_VER_V0);
1443 
1444 	fwcmd->params.req.pattern = pattern;
1445 	fwcmd->params.req.src_port = port_num;
1446 	fwcmd->params.req.dest_port = port_num;
1447 	fwcmd->params.req.pkt_size = pkt_size;
1448 	fwcmd->params.req.num_pkts = num_pkts;
1449 	fwcmd->params.req.loopback_type = loopback_type;
1450 
1451 	mbx.u0.s.embedded = 1;
1452 	mbx.payload_length = sizeof(struct  mbx_lowlevel_test_loopback_mode);
1453 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1454 
1455 	rc = oce_mbox_post(sc, &mbx, NULL);
1456 	if (!rc)
1457                 rc = fwcmd->hdr.u0.rsp.status;
1458 	if (rc)
1459 		device_printf(sc->dev,
1460 			      "%s failed - cmd status: %d addi status: %d\n",
1461 			      __FUNCTION__, rc,
1462 			      fwcmd->hdr.u0.rsp.additional_status);
1463 
1464 	return rc;
1465 }
1466 
1467 int
1468 oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1469 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes)
1470 {
1471 
1472 	struct oce_mbx mbx;
1473 	struct oce_mq_sge *sgl = NULL;
1474 	struct mbx_common_read_write_flashrom *fwcmd = NULL;
1475 	int rc = 0, payload_len = 0;
1476 
1477 	bzero(&mbx, sizeof(struct oce_mbx));
1478 	fwcmd = OCE_DMAPTR(pdma_mem, struct mbx_common_read_write_flashrom);
1479 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 32*1024;
1480 
1481 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1482 				MBX_SUBSYSTEM_COMMON,
1483 				OPCODE_COMMON_WRITE_FLASHROM,
1484 				LONG_TIMEOUT,
1485 				payload_len,
1486 				OCE_MBX_VER_V0);
1487 
1488 	fwcmd->flash_op_type = LE_32(optype);
1489 	fwcmd->flash_op_code = LE_32(opcode);
1490 	fwcmd->data_buffer_size = LE_32(num_bytes);
1491 
1492 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1493 	mbx.payload_length = payload_len;
1494 	mbx.u0.s.sge_count = 1;
1495 
1496 	sgl = &mbx.payload.u0.u1.sgl[0];
1497 	sgl->pa_hi = upper_32_bits(pdma_mem->paddr);
1498 	sgl->pa_lo = pdma_mem->paddr & 0xFFFFFFFF;
1499 	sgl->length = payload_len;
1500 
1501 	/* post the command */
1502 	rc = oce_mbox_post(sc, &mbx, NULL);
1503 	if (!rc)
1504                 rc = fwcmd->hdr.u0.rsp.status;
1505 	if (rc)
1506 		device_printf(sc->dev,
1507 			      "%s failed - cmd status: %d addi status: %d\n",
1508 			      __FUNCTION__, rc,
1509 			      fwcmd->hdr.u0.rsp.additional_status);
1510 
1511 	return rc;
1512 
1513 }
1514 
1515 int
1516 oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1517 				uint32_t offset, uint32_t optype)
1518 {
1519 
1520 	int rc = 0, payload_len = 0;
1521 	struct oce_mbx mbx;
1522 	struct mbx_common_read_write_flashrom *fwcmd;
1523 
1524 	bzero(&mbx, sizeof(struct oce_mbx));
1525 
1526 	fwcmd = (struct mbx_common_read_write_flashrom *)&mbx.payload;
1527 
1528 	/* Firmware requires extra 4 bytes with this ioctl. Since there
1529 	   is enough room in the mbx payload it should be good enough
1530 	   Reference: Bug 14853
1531 	*/
1532 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 4;
1533 
1534 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1535 				MBX_SUBSYSTEM_COMMON,
1536 				OPCODE_COMMON_READ_FLASHROM,
1537 				MBX_TIMEOUT_SEC,
1538 				payload_len,
1539 				OCE_MBX_VER_V0);
1540 
1541 	fwcmd->flash_op_type = optype;
1542 	fwcmd->flash_op_code = FLASHROM_OPER_REPORT;
1543 	fwcmd->data_offset = offset;
1544 	fwcmd->data_buffer_size = 0x4;
1545 
1546 	mbx.u0.s.embedded  = 1;
1547 	mbx.payload_length = payload_len;
1548 
1549 	/* post the command */
1550 	rc = oce_mbox_post(sc, &mbx, NULL);
1551 	if (!rc)
1552                 rc = fwcmd->hdr.u0.rsp.status;
1553 	if (rc) {
1554 		device_printf(sc->dev,
1555 			      "%s failed - cmd status: %d addi status: %d\n",
1556 			      __FUNCTION__, rc,
1557 			      fwcmd->hdr.u0.rsp.additional_status);
1558 		goto error;
1559 	}
1560 	bcopy(fwcmd->data_buffer, flash_crc, 4);
1561 error:
1562 	return rc;
1563 }
1564 
1565 int
1566 oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info)
1567 {
1568 
1569 	struct oce_mbx mbx;
1570 	struct mbx_common_phy_info *fwcmd;
1571 	int rc = 0;
1572 
1573 	bzero(&mbx, sizeof(struct oce_mbx));
1574 
1575 	fwcmd = (struct mbx_common_phy_info *)&mbx.payload;
1576 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1577 				MBX_SUBSYSTEM_COMMON,
1578 				OPCODE_COMMON_GET_PHY_CONFIG,
1579 				MBX_TIMEOUT_SEC,
1580 				sizeof(struct mbx_common_phy_info),
1581 				OCE_MBX_VER_V0);
1582 
1583 	mbx.u0.s.embedded = 1;
1584 	mbx.payload_length = sizeof(struct  mbx_common_phy_info);
1585 
1586 	/* now post the command */
1587 	rc = oce_mbox_post(sc, &mbx, NULL);
1588 	if (!rc)
1589                 rc = fwcmd->hdr.u0.rsp.status;
1590 	if (rc) {
1591 		device_printf(sc->dev,
1592 			      "%s failed - cmd status: %d addi status: %d\n",
1593 			      __FUNCTION__, rc,
1594 			      fwcmd->hdr.u0.rsp.additional_status);
1595 		goto error;
1596 	}
1597 	phy_info->phy_type = HOST_16(fwcmd->params.rsp.phy_info.phy_type);
1598 	phy_info->interface_type =
1599 			HOST_16(fwcmd->params.rsp.phy_info.interface_type);
1600 	phy_info->auto_speeds_supported =
1601 		HOST_16(fwcmd->params.rsp.phy_info.auto_speeds_supported);
1602 	phy_info->fixed_speeds_supported =
1603 		HOST_16(fwcmd->params.rsp.phy_info.fixed_speeds_supported);
1604 	phy_info->misc_params = HOST_32(fwcmd->params.rsp.phy_info.misc_params);
1605 error:
1606 	return rc;
1607 
1608 }
1609 
1610 
1611 int
1612 oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1613 			uint32_t data_offset, POCE_DMA_MEM pdma_mem,
1614 			uint32_t *written_data, uint32_t *additional_status)
1615 {
1616 
1617 	struct oce_mbx mbx;
1618 	struct mbx_lancer_common_write_object *fwcmd = NULL;
1619 	int rc = 0, payload_len = 0;
1620 
1621 	bzero(&mbx, sizeof(struct oce_mbx));
1622 	payload_len = sizeof(struct mbx_lancer_common_write_object);
1623 
1624 	mbx.u0.s.embedded  = 1;/* Embedded */
1625 	mbx.payload_length = payload_len;
1626 	fwcmd = (struct mbx_lancer_common_write_object *)&mbx.payload;
1627 
1628 	/* initialize the ioctl header */
1629 	mbx_common_req_hdr_init(&fwcmd->params.req.hdr, 0, 0,
1630 				MBX_SUBSYSTEM_COMMON,
1631 				OPCODE_COMMON_WRITE_OBJECT,
1632 				LONG_TIMEOUT,
1633 				payload_len,
1634 				OCE_MBX_VER_V0);
1635 
1636 	fwcmd->params.req.write_length = data_size;
1637 	if (data_size == 0)
1638 		fwcmd->params.req.eof = 1;
1639 	else
1640 		fwcmd->params.req.eof = 0;
1641 
1642 	strcpy(fwcmd->params.req.object_name, "/prg");
1643 	fwcmd->params.req.descriptor_count = 1;
1644 	fwcmd->params.req.write_offset = data_offset;
1645 	fwcmd->params.req.buffer_length = data_size;
1646 	fwcmd->params.req.address_lower = pdma_mem->paddr & 0xFFFFFFFF;
1647 	fwcmd->params.req.address_upper = upper_32_bits(pdma_mem->paddr);
1648 
1649 	/* post the command */
1650 	rc = oce_mbox_post(sc, &mbx, NULL);
1651 	if (!rc)
1652                 rc = fwcmd->params.rsp.status;
1653 	if (rc) {
1654 		device_printf(sc->dev,
1655 			      "%s failed - cmd status: %d addi status: %d\n",
1656 			      __FUNCTION__, rc,
1657 			      fwcmd->params.rsp.additional_status);
1658 		goto error;
1659 	}
1660 	*written_data = HOST_32(fwcmd->params.rsp.actual_write_length);
1661 	*additional_status = fwcmd->params.rsp.additional_status;
1662 error:
1663 	return rc;
1664 
1665 }
1666 
1667 
1668 
1669 int
1670 oce_mbox_create_rq(struct oce_rq *rq)
1671 {
1672 
1673 	struct oce_mbx mbx;
1674 	struct mbx_create_nic_rq *fwcmd;
1675 	POCE_SOFTC sc = rq->parent;
1676 	int rc, num_pages = 0;
1677 
1678 	if (rq->qstate == QCREATED)
1679 		return 0;
1680 
1681 	bzero(&mbx, sizeof(struct oce_mbx));
1682 
1683 	fwcmd = (struct mbx_create_nic_rq *)&mbx.payload;
1684 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1685 				MBX_SUBSYSTEM_NIC,
1686 				NIC_CREATE_RQ, MBX_TIMEOUT_SEC,
1687 				sizeof(struct mbx_create_nic_rq),
1688 				OCE_MBX_VER_V0);
1689 
1690 	/* oce_page_list will also prepare pages */
1691 	num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
1692 
1693 	if (IS_XE201(sc)) {
1694 		fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
1695 		fwcmd->params.req.page_size = 1;
1696 		fwcmd->hdr.u0.req.version = OCE_MBX_VER_V1;
1697 	} else
1698 		fwcmd->params.req.frag_size = OCE_LOG2(rq->cfg.frag_size);
1699 	fwcmd->params.req.num_pages = num_pages;
1700 	fwcmd->params.req.cq_id = rq->cq->cq_id;
1701 	fwcmd->params.req.if_id = sc->if_id;
1702 	fwcmd->params.req.max_frame_size = rq->cfg.mtu;
1703 	fwcmd->params.req.is_rss_queue = rq->cfg.is_rss_queue;
1704 
1705 	mbx.u0.s.embedded = 1;
1706 	mbx.payload_length = sizeof(struct mbx_create_nic_rq);
1707 
1708 	rc = oce_mbox_post(sc, &mbx, NULL);
1709 	if (!rc)
1710                 rc = fwcmd->hdr.u0.rsp.status;
1711 	if (rc) {
1712 		device_printf(sc->dev,
1713 			      "%s failed - cmd status: %d addi status: %d\n",
1714 			      __FUNCTION__, rc,
1715 			      fwcmd->hdr.u0.rsp.additional_status);
1716 		goto error;
1717 	}
1718 	rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
1719 	rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
1720 error:
1721 	return rc;
1722 
1723 }
1724 
1725 
1726 
1727 int
1728 oce_mbox_create_wq(struct oce_wq *wq)
1729 {
1730 	struct oce_mbx mbx;
1731 	struct mbx_create_nic_wq *fwcmd;
1732 	POCE_SOFTC sc = wq->parent;
1733 	int rc = 0, version, num_pages;
1734 
1735 	bzero(&mbx, sizeof(struct oce_mbx));
1736 
1737 	fwcmd = (struct mbx_create_nic_wq *)&mbx.payload;
1738 	if (IS_XE201(sc))
1739 		version = OCE_MBX_VER_V1;
1740 	else if(IS_BE(sc))
1741 		IS_PROFILE_SUPER_NIC(sc) ? (version = OCE_MBX_VER_V2)
1742 					 : (version = OCE_MBX_VER_V0);
1743 	else
1744 		version = OCE_MBX_VER_V2;
1745 
1746 	if (version > OCE_MBX_VER_V0)
1747 		fwcmd->params.req.if_id = sc->if_id;
1748 
1749 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1750 				MBX_SUBSYSTEM_NIC,
1751 				NIC_CREATE_WQ, MBX_TIMEOUT_SEC,
1752 				sizeof(struct mbx_create_nic_wq),
1753 				version);
1754 
1755 	num_pages = oce_page_list(wq->ring, &fwcmd->params.req.pages[0]);
1756 
1757 	fwcmd->params.req.nic_wq_type = wq->cfg.wq_type;
1758 	fwcmd->params.req.num_pages = num_pages;
1759 	fwcmd->params.req.wq_size = OCE_LOG2(wq->cfg.q_len) + 1;
1760 	fwcmd->params.req.cq_id = wq->cq->cq_id;
1761 	fwcmd->params.req.ulp_num = 1;
1762 
1763 	mbx.u0.s.embedded = 1;
1764 	mbx.payload_length = sizeof(struct mbx_create_nic_wq);
1765 
1766 	rc = oce_mbox_post(sc, &mbx, NULL);
1767 	if (!rc)
1768                 rc = fwcmd->hdr.u0.rsp.status;
1769 	if (rc) {
1770 		device_printf(sc->dev,
1771 			      "%s failed - cmd status: %d addi status: %d\n",
1772 			      __FUNCTION__, rc,
1773 			      fwcmd->hdr.u0.rsp.additional_status);
1774 		goto error;
1775 	}
1776 	wq->wq_id = HOST_16(fwcmd->params.rsp.wq_id);
1777 	if (version == OCE_MBX_VER_V2)
1778 		wq->db_offset = HOST_32(fwcmd->params.rsp.db_offset);
1779 	else
1780 		wq->db_offset = PD_TXULP_DB;
1781 error:
1782 	return rc;
1783 
1784 }
1785 
1786 
1787 
1788 int
1789 oce_mbox_create_eq(struct oce_eq *eq)
1790 {
1791 	struct oce_mbx mbx;
1792 	struct mbx_create_common_eq *fwcmd;
1793 	POCE_SOFTC sc = eq->parent;
1794 	int rc = 0;
1795 	uint32_t num_pages;
1796 
1797 	bzero(&mbx, sizeof(struct oce_mbx));
1798 
1799 	fwcmd = (struct mbx_create_common_eq *)&mbx.payload;
1800 
1801 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1802 				MBX_SUBSYSTEM_COMMON,
1803 				OPCODE_COMMON_CREATE_EQ, MBX_TIMEOUT_SEC,
1804 				sizeof(struct mbx_create_common_eq),
1805 				OCE_MBX_VER_V0);
1806 
1807 	num_pages = oce_page_list(eq->ring, &fwcmd->params.req.pages[0]);
1808 	fwcmd->params.req.ctx.num_pages = num_pages;
1809 	fwcmd->params.req.ctx.valid = 1;
1810 	fwcmd->params.req.ctx.size = (eq->eq_cfg.item_size == 4) ? 0 : 1;
1811 	fwcmd->params.req.ctx.count = OCE_LOG2(eq->eq_cfg.q_len / 256);
1812 	fwcmd->params.req.ctx.armed = 0;
1813 	fwcmd->params.req.ctx.delay_mult = eq->eq_cfg.cur_eqd;
1814 
1815 
1816 	mbx.u0.s.embedded = 1;
1817 	mbx.payload_length = sizeof(struct mbx_create_common_eq);
1818 
1819 	rc = oce_mbox_post(sc, &mbx, NULL);
1820 	if (!rc)
1821                 rc = fwcmd->hdr.u0.rsp.status;
1822 	if (rc) {
1823 		device_printf(sc->dev,
1824 			      "%s failed - cmd status: %d addi status: %d\n",
1825 			      __FUNCTION__, rc,
1826 			      fwcmd->hdr.u0.rsp.additional_status);
1827 		goto error;
1828 	}
1829 	eq->eq_id = HOST_16(fwcmd->params.rsp.eq_id);
1830 error:
1831 	return rc;
1832 }
1833 
1834 
1835 
1836 int
1837 oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce, uint32_t is_eventable)
1838 {
1839 	struct oce_mbx mbx;
1840 	struct mbx_create_common_cq *fwcmd;
1841 	POCE_SOFTC sc = cq->parent;
1842 	uint8_t version;
1843 	oce_cq_ctx_t *ctx;
1844 	uint32_t num_pages, page_size;
1845 	int rc = 0;
1846 
1847 
1848 	bzero(&mbx, sizeof(struct oce_mbx));
1849 
1850 	fwcmd = (struct mbx_create_common_cq *)&mbx.payload;
1851 
1852 	if (IS_XE201(sc))
1853 		version = OCE_MBX_VER_V2;
1854 	else
1855 		version = OCE_MBX_VER_V0;
1856 
1857 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1858 				MBX_SUBSYSTEM_COMMON,
1859 				OPCODE_COMMON_CREATE_CQ,
1860 				MBX_TIMEOUT_SEC,
1861 				sizeof(struct mbx_create_common_cq),
1862 				version);
1863 
1864 	ctx = &fwcmd->params.req.cq_ctx;
1865 
1866 	num_pages = oce_page_list(cq->ring, &fwcmd->params.req.pages[0]);
1867 	page_size =  1;  /* 1 for 4K */
1868 
1869 	if (version == OCE_MBX_VER_V2) {
1870 		ctx->v2.num_pages = LE_16(num_pages);
1871 		ctx->v2.page_size = page_size;
1872 		ctx->v2.eventable = is_eventable;
1873 		ctx->v2.valid = 1;
1874 		ctx->v2.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1875 		ctx->v2.nodelay = cq->cq_cfg.nodelay;
1876 		ctx->v2.coalesce_wm = ncoalesce;
1877 		ctx->v2.armed = 0;
1878 		ctx->v2.eq_id = cq->eq->eq_id;
1879 		if (ctx->v2.count == 3) {
1880 			if ((u_int)cq->cq_cfg.q_len > (4*1024)-1)
1881 				ctx->v2.cqe_count = (4*1024)-1;
1882 			else
1883 				ctx->v2.cqe_count = cq->cq_cfg.q_len;
1884 		}
1885 	} else {
1886 		ctx->v0.num_pages = LE_16(num_pages);
1887 		ctx->v0.eventable = is_eventable;
1888 		ctx->v0.valid = 1;
1889 		ctx->v0.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1890 		ctx->v0.nodelay = cq->cq_cfg.nodelay;
1891 		ctx->v0.coalesce_wm = ncoalesce;
1892 		ctx->v0.armed = 0;
1893 		ctx->v0.eq_id = cq->eq->eq_id;
1894 	}
1895 
1896 	mbx.u0.s.embedded = 1;
1897 	mbx.payload_length = sizeof(struct mbx_create_common_cq);
1898 
1899 	rc = oce_mbox_post(sc, &mbx, NULL);
1900 	if (!rc)
1901                 rc = fwcmd->hdr.u0.rsp.status;
1902 	if (rc) {
1903 		device_printf(sc->dev,
1904 			      "%s failed - cmd status: %d addi status: %d\n",
1905 			      __FUNCTION__, rc,
1906 			      fwcmd->hdr.u0.rsp.additional_status);
1907 		goto error;
1908 	}
1909 	cq->cq_id = HOST_16(fwcmd->params.rsp.cq_id);
1910 error:
1911 	return rc;
1912 
1913 }
1914 
1915 int
1916 oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num)
1917 {
1918 	int rc = 0;
1919 	struct oce_mbx mbx;
1920 	struct mbx_read_common_transrecv_data *fwcmd;
1921 	struct oce_mq_sge *sgl;
1922 	OCE_DMA_MEM dma;
1923 
1924 	/* Allocate DMA mem*/
1925 	if (oce_dma_alloc(sc, sizeof(struct mbx_read_common_transrecv_data),
1926 				&dma, 0))
1927 		return ENOMEM;
1928 
1929 	fwcmd = OCE_DMAPTR(&dma, struct mbx_read_common_transrecv_data);
1930 	bzero(fwcmd, sizeof(struct mbx_read_common_transrecv_data));
1931 
1932 	bzero(&mbx, sizeof(struct oce_mbx));
1933 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1934 			MBX_SUBSYSTEM_COMMON,
1935 			OPCODE_COMMON_READ_TRANSRECEIVER_DATA,
1936 			MBX_TIMEOUT_SEC,
1937 			sizeof(struct mbx_read_common_transrecv_data),
1938 			OCE_MBX_VER_V0);
1939 
1940 	/* fill rest of mbx */
1941 	mbx.u0.s.embedded = 0;
1942 	mbx.payload_length = sizeof(struct mbx_read_common_transrecv_data);
1943 	mbx.u0.s.sge_count = 1;
1944 	sgl = &mbx.payload.u0.u1.sgl[0];
1945 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
1946 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
1947 	sgl->length = htole32(mbx.payload_length);
1948 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1949 
1950 	fwcmd->params.req.port = LE_32(sc->port_id);
1951 	fwcmd->params.req.page_num = LE_32(page_num);
1952 
1953 	/* command post */
1954 	rc = oce_mbox_post(sc, &mbx, NULL);
1955 	if (!rc)
1956 		rc = fwcmd->hdr.u0.rsp.status;
1957 	if (rc) {
1958 		device_printf(sc->dev,
1959 			      "%s failed - cmd status: %d addi status: %d\n",
1960 			      __FUNCTION__, rc,
1961 			      fwcmd->hdr.u0.rsp.additional_status);
1962 		goto error;
1963 	}
1964 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A0)
1965 	{
1966 		bcopy((char *)fwcmd->params.rsp.page_data,
1967 		      &sfp_vpd_dump_buffer[0],
1968 		      TRANSCEIVER_A0_SIZE);
1969 	}
1970 
1971 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A2)
1972 	{
1973 		bcopy((char *)fwcmd->params.rsp.page_data,
1974 		      &sfp_vpd_dump_buffer[TRANSCEIVER_A0_SIZE],
1975 		      TRANSCEIVER_A2_SIZE);
1976 	}
1977 error:
1978 	oce_dma_free(sc, &dma);
1979 	return rc;
1980 }
1981 
1982 void
1983 oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1984 				int num)
1985 {
1986 	struct oce_mbx mbx;
1987 	struct mbx_modify_common_eq_delay *fwcmd;
1988 	int rc = 0;
1989 	int i = 0;
1990 
1991 	bzero(&mbx, sizeof(struct oce_mbx));
1992 
1993 	/* Initialize MODIFY_EQ_DELAY ioctl header */
1994 	fwcmd = (struct mbx_modify_common_eq_delay *)&mbx.payload;
1995 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1996 				MBX_SUBSYSTEM_COMMON,
1997 				OPCODE_COMMON_MODIFY_EQ_DELAY,
1998 				MBX_TIMEOUT_SEC,
1999 				sizeof(struct mbx_modify_common_eq_delay),
2000 				OCE_MBX_VER_V0);
2001 	/* fill rest of mbx */
2002 	mbx.u0.s.embedded = 1;
2003 	mbx.payload_length = sizeof(struct mbx_modify_common_eq_delay);
2004 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2005 
2006 	fwcmd->params.req.num_eq = num;
2007 	for (i = 0; i < num; i++) {
2008 		fwcmd->params.req.delay[i].eq_id =
2009 					htole32(set_eqd[i].eq_id);
2010 		fwcmd->params.req.delay[i].phase = 0;
2011 		fwcmd->params.req.delay[i].dm =
2012 		htole32(set_eqd[i].delay_multiplier);
2013 	}
2014 
2015 
2016 	/* command post */
2017 	rc = oce_mbox_post(sc, &mbx, NULL);
2018 
2019 	if (!rc)
2020 		rc = fwcmd->hdr.u0.rsp.status;
2021 	if (rc)
2022 		device_printf(sc->dev,
2023 			      "%s failed - cmd status: %d addi status: %d\n",
2024 			      __FUNCTION__, rc,
2025 			      fwcmd->hdr.u0.rsp.additional_status);
2026 }
2027 
2028 int
2029 oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss)
2030 {
2031 	struct oce_mbx mbx;
2032 	struct mbx_common_get_profile_config *fwcmd;
2033 	int rc = 0;
2034 	int version = 0;
2035 	struct oce_mq_sge *sgl;
2036 	OCE_DMA_MEM dma;
2037 	uint32_t desc_count = 0;
2038 	struct oce_nic_resc_desc *nic_desc = NULL;
2039 	int i;
2040 	boolean_t nic_desc_valid = FALSE;
2041 
2042 	if (IS_BE2(sc))
2043 		return -1;
2044 
2045 	/* Allocate DMA mem*/
2046 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_profile_config),
2047 			  &dma, 0))
2048 		return ENOMEM;
2049 
2050 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2051 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_profile_config);
2052 	bzero(fwcmd, sizeof(struct mbx_common_get_profile_config));
2053 
2054 	if (!IS_XE201(sc))
2055 		version = OCE_MBX_VER_V1;
2056 	else
2057 		version = OCE_MBX_VER_V0;
2058 
2059 	bzero(&mbx, sizeof(struct oce_mbx));
2060 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2061 				MBX_SUBSYSTEM_COMMON,
2062 				OPCODE_COMMON_GET_PROFILE_CONFIG,
2063 				MBX_TIMEOUT_SEC,
2064 				sizeof(struct mbx_common_get_profile_config),
2065 				version);
2066 	/* fill rest of mbx */
2067 	mbx.u0.s.embedded = 0;
2068 	mbx.payload_length = sizeof(struct mbx_common_get_profile_config);
2069 	mbx.u0.s.sge_count = 1;
2070 	sgl = &mbx.payload.u0.u1.sgl[0];
2071 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2072 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2073 	sgl->length = htole32(mbx.payload_length);
2074 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2075 
2076 	fwcmd->params.req.type = ACTIVE_PROFILE;
2077 
2078 	/* command post */
2079 	rc = oce_mbox_post(sc, &mbx, NULL);
2080 	if (!rc)
2081 		rc = fwcmd->hdr.u0.rsp.status;
2082 	if (rc) {
2083 		device_printf(sc->dev,
2084 			      "%s failed - cmd status: %d addi status: %d\n",
2085 			      __FUNCTION__, rc,
2086 			      fwcmd->hdr.u0.rsp.additional_status);
2087 		goto error;
2088 	}
2089 
2090 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2091 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2092 	for (i = 0; i < desc_count; i++) {
2093 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2094 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2095 			nic_desc_valid = TRUE;
2096 			break;
2097 		}
2098 		nic_desc = (struct oce_nic_resc_desc *) \
2099 				((char *)nic_desc + nic_desc->desc_len);
2100 	}
2101 	if (!nic_desc_valid) {
2102 		rc = -1;
2103 		goto error;
2104 	}
2105 	else {
2106 		sc->max_vlans = HOST_16(nic_desc->vlan_count);
2107 		sc->nwqs = HOST_16(nic_desc->txq_count);
2108 		if (sc->nwqs)
2109 			sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2110 		else
2111 			sc->nwqs = OCE_MAX_WQ;
2112 
2113 		sc->nrssqs = HOST_16(nic_desc->rssq_count);
2114 		if (sc->nrssqs)
2115 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2116 		else
2117 			sc->nrssqs = max_rss;
2118 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */
2119 
2120 	}
2121 error:
2122 	oce_dma_free(sc, &dma);
2123 	return rc;
2124 
2125 }
2126 
2127 int
2128 oce_get_func_config(POCE_SOFTC sc)
2129 {
2130 	struct oce_mbx mbx;
2131 	struct mbx_common_get_func_config *fwcmd;
2132 	int rc = 0;
2133 	int version = 0;
2134 	struct oce_mq_sge *sgl;
2135 	OCE_DMA_MEM dma;
2136 	uint32_t desc_count = 0;
2137 	struct oce_nic_resc_desc *nic_desc = NULL;
2138 	int i;
2139 	boolean_t nic_desc_valid = FALSE;
2140 	uint32_t max_rss = 0;
2141 
2142 	if ((IS_BE(sc) || IS_SH(sc)) && (!sc->be3_native))
2143 		max_rss = OCE_LEGACY_MODE_RSS;
2144 	else
2145 		max_rss = OCE_MAX_RSS;
2146 
2147 	/* Allocate DMA mem*/
2148 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_func_config),
2149 			  &dma, 0))
2150 		return ENOMEM;
2151 
2152 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2153 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_func_config);
2154 	bzero(fwcmd, sizeof(struct mbx_common_get_func_config));
2155 
2156 	if (IS_SH(sc))
2157 		version = OCE_MBX_VER_V1;
2158 	else
2159 		version = OCE_MBX_VER_V0;
2160 
2161 	bzero(&mbx, sizeof(struct oce_mbx));
2162 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2163 				MBX_SUBSYSTEM_COMMON,
2164 				OPCODE_COMMON_GET_FUNCTION_CONFIG,
2165 				MBX_TIMEOUT_SEC,
2166 				sizeof(struct mbx_common_get_func_config),
2167 				version);
2168 	/* fill rest of mbx */
2169 	mbx.u0.s.embedded = 0;
2170 	mbx.payload_length = sizeof(struct mbx_common_get_func_config);
2171 	mbx.u0.s.sge_count = 1;
2172 	sgl = &mbx.payload.u0.u1.sgl[0];
2173 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2174 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2175 	sgl->length = htole32(mbx.payload_length);
2176 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2177 
2178 	/* command post */
2179 	rc = oce_mbox_post(sc, &mbx, NULL);
2180 	if (!rc)
2181 		rc = fwcmd->hdr.u0.rsp.status;
2182 	if (rc) {
2183 		device_printf(sc->dev,
2184 			      "%s failed - cmd status: %d addi status: %d\n",
2185 			      __FUNCTION__, rc,
2186 			      fwcmd->hdr.u0.rsp.additional_status);
2187 		goto error;
2188 	}
2189 
2190 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2191 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2192 	for (i = 0; i < desc_count; i++) {
2193 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2194 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2195 			nic_desc_valid = TRUE;
2196 			break;
2197 		}
2198 		nic_desc = (struct oce_nic_resc_desc *) \
2199 				((char *)nic_desc + nic_desc->desc_len);
2200 	}
2201 	if (!nic_desc_valid) {
2202 		rc = -1;
2203 		goto error;
2204 	}
2205 	else {
2206 		sc->max_vlans = nic_desc->vlan_count;
2207 		sc->nwqs = HOST_32(nic_desc->txq_count);
2208                 if (sc->nwqs)
2209                         sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2210                 else
2211                         sc->nwqs = OCE_MAX_WQ;
2212 
2213 		sc->nrssqs = HOST_32(nic_desc->rssq_count);
2214 		if (sc->nrssqs)
2215 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2216 		else
2217 			sc->nrssqs = max_rss;
2218 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */
2219 	}
2220 error:
2221 	oce_dma_free(sc, &dma);
2222 	return rc;
2223 
2224 }
2225 
2226 /* hw lro functions */
2227 
2228 int
2229 oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags)
2230 {
2231         struct oce_mbx mbx;
2232         struct mbx_nic_query_lro_capabilities *fwcmd;
2233         int rc = 0;
2234 
2235         bzero(&mbx, sizeof(struct oce_mbx));
2236 
2237         fwcmd = (struct mbx_nic_query_lro_capabilities *)&mbx.payload;
2238         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2239                                 MBX_SUBSYSTEM_NIC,
2240                                 0x20,MBX_TIMEOUT_SEC,
2241                                 sizeof(struct mbx_nic_query_lro_capabilities),
2242                                 OCE_MBX_VER_V0);
2243 
2244         mbx.u0.s.embedded = 1;
2245         mbx.payload_length = sizeof(struct mbx_nic_query_lro_capabilities);
2246 
2247         rc = oce_mbox_post(sc, &mbx, NULL);
2248         if (!rc)
2249                 rc = fwcmd->hdr.u0.rsp.status;
2250         if (rc) {
2251                 device_printf(sc->dev,
2252                               "%s failed - cmd status: %d addi status: %d\n",
2253                               __FUNCTION__, rc,
2254                               fwcmd->hdr.u0.rsp.additional_status);
2255 
2256                 return rc;
2257         }
2258         if(lro_flags)
2259                 *lro_flags = HOST_32(fwcmd->params.rsp.lro_flags);
2260 
2261         if(lro_rq_cnt)
2262                 *lro_rq_cnt = HOST_16(fwcmd->params.rsp.lro_rq_cnt);
2263 
2264         return rc;
2265 }
2266 
2267 int
2268 oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable)
2269 {
2270         struct oce_mbx mbx;
2271         struct mbx_nic_set_iface_lro_config *fwcmd;
2272         int rc = 0;
2273 
2274         bzero(&mbx, sizeof(struct oce_mbx));
2275 
2276         fwcmd = (struct mbx_nic_set_iface_lro_config *)&mbx.payload;
2277         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2278                                 MBX_SUBSYSTEM_NIC,
2279                                 0x26,MBX_TIMEOUT_SEC,
2280                                 sizeof(struct mbx_nic_set_iface_lro_config),
2281                                 OCE_MBX_VER_V0);
2282 
2283         mbx.u0.s.embedded = 1;
2284         mbx.payload_length = sizeof(struct mbx_nic_set_iface_lro_config);
2285 
2286         fwcmd->params.req.iface_id = sc->if_id;
2287         fwcmd->params.req.lro_flags = 0;
2288 
2289         if(enable) {
2290                 fwcmd->params.req.lro_flags = LRO_FLAGS_HASH_MODE | LRO_FLAGS_RSS_MODE;
2291                 fwcmd->params.req.lro_flags |= LRO_FLAGS_CLSC_IPV4 | LRO_FLAGS_CLSC_IPV6;
2292 
2293                 fwcmd->params.req.max_clsc_byte_cnt = 64*1024; /* min = 2974, max = 0xfa59 */
2294                 fwcmd->params.req.max_clsc_seg_cnt = 43; /* min = 2, max = 64 */
2295                 fwcmd->params.req.max_clsc_usec_delay = 18; /* min = 1, max = 256 */
2296                 fwcmd->params.req.min_clsc_frame_byte_cnt = 0; /* min = 1, max = 9014 */
2297         }
2298 
2299         rc = oce_mbox_post(sc, &mbx, NULL);
2300         if (!rc)
2301                 rc = fwcmd->hdr.u0.rsp.status;
2302         if (rc) {
2303                 device_printf(sc->dev,
2304                               "%s failed - cmd status: %d addi status: %d\n",
2305                               __FUNCTION__, rc,
2306                               fwcmd->hdr.u0.rsp.additional_status);
2307 
2308                 return rc;
2309         }
2310         return rc;
2311 }
2312 
2313 int
2314 oce_mbox_create_rq_v2(struct oce_rq *rq)
2315 {
2316         struct oce_mbx mbx;
2317         struct mbx_create_nic_rq_v2 *fwcmd;
2318         POCE_SOFTC sc = rq->parent;
2319         int rc = 0, num_pages = 0;
2320 
2321         if (rq->qstate == QCREATED)
2322                 return 0;
2323 
2324         bzero(&mbx, sizeof(struct oce_mbx));
2325 
2326         fwcmd = (struct mbx_create_nic_rq_v2 *)&mbx.payload;
2327         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2328                                 MBX_SUBSYSTEM_NIC,
2329                                 0x08, MBX_TIMEOUT_SEC,
2330                                 sizeof(struct mbx_create_nic_rq_v2),
2331                                 OCE_MBX_VER_V2);
2332 
2333         /* oce_page_list will also prepare pages */
2334         num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
2335 
2336         fwcmd->params.req.cq_id = rq->cq->cq_id;
2337         fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
2338         fwcmd->params.req.num_pages = num_pages;
2339 
2340         fwcmd->params.req.if_id = sc->if_id;
2341 
2342         fwcmd->params.req.max_frame_size = rq->cfg.mtu;
2343         fwcmd->params.req.page_size = 1;
2344         if(rq->cfg.is_rss_queue) {
2345                 fwcmd->params.req.rq_flags = (NIC_RQ_FLAGS_RSS | NIC_RQ_FLAGS_LRO);
2346         }else {
2347                 device_printf(sc->dev,
2348                         "non rss lro queue should not be created \n");
2349                 goto error;
2350         }
2351         mbx.u0.s.embedded = 1;
2352         mbx.payload_length = sizeof(struct mbx_create_nic_rq_v2);
2353 
2354         rc = oce_mbox_post(sc, &mbx, NULL);
2355         if (!rc)
2356                 rc = fwcmd->hdr.u0.rsp.status;
2357         if (rc) {
2358                 device_printf(sc->dev,
2359                               "%s failed - cmd status: %d addi status: %d\n",
2360                               __FUNCTION__, rc,
2361                               fwcmd->hdr.u0.rsp.additional_status);
2362                 goto error;
2363         }
2364         rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
2365         rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
2366 
2367 error:
2368         return rc;
2369 }
2370 
2371